So, P0524 is, in fact, Low Oil Pressure. But the thing is, that the V-Ttwin has only one oil pressure switch. And it is literally a switch. It's either open or closed. Thus, it is contradictory that the Low Oil Pressure warning light would go out, and yet you would have a Low Oil Pressure Code. It all comes from the same place with the same wiring.
Because I'm a little dense, let's re-group. WITH THE ENGINE RUNNING, your Low Oil Pressure warning light goes out. Correct? If so, that's a good sign. Not to panic. WITH THE ENGINE RUNNING then, and you call up the codes again, do you still have the P0524 code and the Check Engine Light? Double check that you're reading the code correctly.
WITH THE ENGINE RUNNING, do you have a warning message on the LCD display - in big bold type - that says LIMP HOME?
Looking back over your previous posts, this would appear that this is not your first oil change that you've done yourself. Right? You're not new at this?